Sandpiper of California Three Day Elite Backpack Mid-sized pack with a list of features to has earned the Elite name, including a padded laptop section, mesh-lined back and shoulder harness for better breathability. The main organizer compartment introduces a great feature to this mid-sized pack: removable & reconfigurable accessory pouches that elevates the variations and efficiency of the pack to a higher level. Aluminum back stays for improved load stability. Measures 20" long 14.5 wide and 8.5" deep